流体动力学

• 氵(water)RADICAL
• 㐬(swirling flow; whirlpool)PHONETIC

Water flowing in a whirlpool becomes a stream, which is the circulation of water.

• 云(cloud)PHONETIC
• 力(strength; power)RADICAL

Powerful strength like rolling clouds surge creates motion.

• 力(strength; muscle)ASSOCIATIVE

The character 力 depicts a flexed arm muscle, symbolizing strength and power.

• ⺍(two hands (indicating learning))ASSOCIATIVE
• 冖(roof; house)ASSOCIATIVE
• 子(child)RADICAL

A child sitting under a roof with two hands diligently studying represents learning.